How many atoms will there be in 5.00 g of gold. (Use ^ to show the exponent in scientific notation. For example, 4 X 1011 should be written 4 X 10^11. Include the unit "atoms" in your answer.

1.53x10^22 atoms of Au

Explanation:

To find the atoms of gold we need first, to convert the mass of gold to moles using molar mass of gold (196.97g/mol). Then, these moles must be converted to number of atoms based on definition of moles (1 mole = 6.022x10²³ atoms).

Moles Au:

5.00g Au * (1mol / 196.97g) = 0.0254 moles of Au

Atoms of Au:

0.0254 moles * (6.022x10²³ atoms / 1 mole) =

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explanation:

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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